thr_attr_getstack.c revision 110636 
1/*
2 * Copyright (c) 2003 Craig Rodrigues <rodrigc@attbi.com>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by Craig Rodrigues.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY CRAIG RODRIGUES AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: head/lib/libkse/thread/thr_attr_getstack.c 110636 2003-02-10 08:48:04Z alfred $
33 */
34#include <errno.h>
35#include <pthread.h>
36#include "thr_private.h"
37
38__weak_reference(_pthread_attr_getstack, pthread_attr_getstack);
39
40int
41_pthread_attr_getstack(const pthread_attr_t * __restrict attr,
42                        void ** __restrict stackaddr,
43                        size_t * __restrict stacksize)
44{
45	int     ret;
46
47	/* Check for invalid arguments: */
48	if (attr == NULL || *attr == NULL || stackaddr == NULL
49	    || stacksize == NULL )
50		ret = EINVAL;
51	else {
52		/* Return the stack address and size */
53		*stackaddr = (*attr)->stackaddr_attr;
54		*stacksize = (*attr)->stacksize_attr;
55		ret = 0;
56	}
57	return(ret);
58}
59
60